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Finding the Fourth Proportional to 35,487.80, 48,973.13 and 19,572.26

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Solution

The fourth proportional to 35,487.80, 48,973.13 and 19,572.26 is: 27,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.80 : 48,973.13 = 19,572.26 : x
  2. Step 2: Convert to fraction form
    35,487.80/48,973.13 = 19,572.26/x
  3. Step 3: Cross multiply
    35,487.80x = 48,973.13 × 19,572.26
  4. Step 4: Simplify right side
    35,487.80x = 958,514,490.65
  5. Step 5: Solve for x
    x = 958,514,490.65/35,487.80
  6. Step 6: Final answer
    x = 27,009.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.